Amplichek I, Negative , Amplichek I, Level 1, Amplichek I, Level 2, Amplichek I, Level 3, Amplichek I, MiniPak
Applicant
Bio-Rad Laboratories
Product Code
PMN · Microbiology
Decision Date
May 10, 2016
Decision
SESE
Submission Type
Traditional
Regulation
21 CFR 866.3920
Device Class
Class 2
Indications for Use
Amplichek I is intended for use as an external assayed quality control material to monitor the performance of in vitro laboratory nucleic acid testing procedures for the quantitative detection of Human Immunodeficiency Virus Type 1 (HIV-1), Hepatiis B Virus (HBV) and Hepatitis C Virus (HCV) for molecular diagnostic platforms listed in the package insert. This product is not intended to replace manufacturer controls provided with the device. This product is not intended for use with blood donor screening assays in U.S. or Canada.
Device Story
Amplichek I is an external assayed quality control material for monitoring performance of in vitro nucleic acid testing (NAT) for HIV-1, HBV, and HCV. Input consists of four levels of liquid material (negative and three positive levels) derived from human plasma, containing purified viral preparations, proteins, antimicrobial agents, and stabilizers. Used in clinical laboratories; operated by laboratory personnel. Device provides lot-specific means and ranges for analytes on various molecular diagnostic platforms. Healthcare providers use output to verify assay performance and establish internal quality assurance programs. Does not replace manufacturer-provided controls. Benefits include standardized monitoring of test accuracy and precision for viral load assays.
Clinical Evidence
Bench testing only. Stability studies performed to validate shelf life (16 months at -20°C to -70°C) and open-vial stability (7 days or 3 vial entries at 2°C to 8°C). No clinical data provided.
Technological Characteristics
Liquid quality control material; human plasma-based matrix; contains 0.09% sodium azide preservative and stabilizers. Four levels (negative, L1, L2, L3). Packaged in 1.2 mL vials. Storage: -20°C to -70°C. Not a standard; intended for use with quantitative molecular diagnostic platforms.
Indications for Use
Indicated for use as an external assayed quality control material to monitor performance of in vitro laboratory nucleic acid testing procedures for quantitative detection of HIV-1, HBV, and HCV. Not for use in blood donor screening assays in the U.S. or Canada.
Regulatory Classification
Identification
An assayed quality control material for clinical microbiology assays is a device indicated for use in a test system to estimate test precision or to detect systematic analytical deviations that may arise from reagent or analytical instrument variation. This type of device consists of single or multiple microbiological analytes intended for use with either qualitative or quantitative assays.
Special Controls
An assayed quality control material for clinical microbiology assays must comply with the following special controls: (1) Premarket notification submissions must include detailed device description documentation and information concerning the composition of the quality control material, including, as appropriate: (i) Analyte concentration; Expected values: (ii) Analyte source: (iii) (iv) Base matrix; (v) Added components; (vi) Safety and handling information; and, (vii) Detailed instructions for use. (2) Premarket notification submissions must include detailed documentation, including line data as well as detailed study protocols and a statistical analysis plan used to establish performance, including: (i) Description of the process for value assignment and validation. (ii) Description of the protocol(s) used to establish stability. (iii) Line data establishing precision/reproducibility. (iv) Where applicable, assessment of matrix effects and any significant differences between the quality control material and typical patient samples in terms of conditions known to cause analytical error or affect assay performance. (v) Where applicable, identify or define traceability or relationship to a domestic or international standard reference material and/or method. (vi) Where applicable, detailed documentation related to studies for surrogate controls. (3) Premarket notification submissions must include an adequate mitigation (e.g., realtime stability program) to the risk of false results due to potential modifications to the assays specified in the device's 21 CFR 809.10 compliant labeling. (4) Your 21 CFR 809.10 compliant labeling must include the following: (i) The intended use in your 21 CFR 809.10(a)(2) and 21 CFR 809.10(b)(2) compliant labeling must include the following: (A) Assayed control material analyte(s); (B) Whether the material is intended for quantitative or qualitative assays: (C) Stating if the material is a surrogate control; (D)The system(s), instrument(s), or test(s) for which the quality control material is intended. (ii) The intended use in your 21 CFR 809.10(a)(2) and 21 CFR 809.10(b)(2) compliant labeling must include the following statement: "This product is not intended to replace manufacturer controls provided with the device." (iii)A limiting statement that reads "Quality control materials should be used in accordance with local, state, federal regulations, and accreditation requirements."
*Classification.* Class II (special controls). The special controls for this device are:(1) Premarket notification submissions must include detailed device description documentation and information concerning the composition of the quality control material, including, as appropriate:
(i) Analyte concentration;
(ii) Expected values;
(iii) Analyte source;
(iv) Base matrix;
(v) Added components;
(vi) Safety and handling information; and
(vii) Detailed instructions for use.
(2) Premarket notification submissions must include detailed documentation, including line data as well as detailed study protocols and a statistical analysis plan used to establish performance, including:
(i) Description of the process for value assignment and validation.
(ii) Description of the protocol(s) used to establish stability.
(iii) Line data establishing precision/reproducibility.
(iv) Where applicable, assessment of matrix effects and any significant differences between the quality control material and typical patient samples in terms of conditions known to cause analytical error or affect assay performance.
(v) Where applicable, identify or define traceability or relationship to a domestic or international standard reference material and/or method.
(vi) Where applicable, detailed documentation related to studies for surrogate controls.
(3) Premarket notification submissions must include an adequate mitigation (e.g., real-time stability program) to the risk of false results due to potential modifications to the assays specified in the device's 21 CFR 809.10 compliant labeling.
(4) Your 21 CFR 809.10 compliant labeling must include the following:
(i) The intended use of your 21 CFR 809.10(a)(2) and (b)(2) compliant labeling must include the following:
(A) Assayed control material analyte(s);
(B) Whether the material is intended for quantitative or qualitative assays;
(C) Stating if the material is a surrogate control; and
(D) The system(s), instrument(s), or test(s) for which the quality control material is intended.
(ii) The intended use in your 21 CFR 809.10(a)(2) and (b)(2) compliant labeling must include the following statement: “This product is not intended to replace manufacturer controls provided with the device.”
(iii) A limiting statement that reads “Quality control materials should be used in accordance with local, state, federal regulations, and accreditation requirements.”
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Image /page/0/Picture/1 description: The image shows the logo for the U.S. Department of Health & Human Services. The logo is a circular seal with the words "DEPARTMENT OF HEALTH & HUMAN SERVICES - USA" arranged around the perimeter. Inside the circle is a stylized image of three human profiles facing to the right, stacked on top of each other.
Food and Drug Administration 10903 New Hampshire Avenue Document Control Center - WO66-G609 Silver Spring, MD 20993-0002
May 10, 2016
Bio-Rad Laboratories Maria Zeballos Regulatory Affairs Representative 9500 Jeronimo Road Irvine, CA 92614
Re: k152679
Trade/Device Name: Amplichek I Regulation Number: 21 CFR 866.3920 Regulation Name: Assayed quality control material for clinical microbiology assays Regulatory Class: Class II Product Code: PMN Dated: April 11, 2016 Received: April 11, 2016
Dear Ms. Zeballos:
We have reviewed your Section 510(k) premarket notification of intent to market the device referenced above and have determined the device is substantially equivalent (for the indications for use stated in the enclosure) to legally marketed predicate devices marketed in interstate commerce prior to May 28, 1976, the enactment date of the Medical Device Amendments, or to devices that have been reclassified in accordance with the provisions of the Federal Food. Drug. and Cosmetic Act (Act) that do not require approval of a premarket approval application (PMA). You may, therefore, market the device, subject to the general controls provisions of the Act. The general controls provisions of the Act include requirements for annual registration, listing of devices, good manufacturing practice, labeling, and prohibitions against misbranding and adulteration. Please note: CDRH does not evaluate information related to contract liability warranties. We remind you, however, that device labeling must be truthful and not misleading.
If your device is classified (see above) into either class II (Special Controls) or class III (PMA), it may be subject to additional controls. Existing major regulations affecting your device can be found in the Code of Federal Regulations, Title 21, Parts 800 to 898. In addition, FDA may publish further announcements concerning your device in the Federal Register.
Please be advised that FDA's issuance of a substantial equivalence determination does not mean that FDA has made a determination that your device complies with other requirements of the Act or any Federal statutes and regulations administered by other Federal agencies. You must comply with all the Act's requirements, including, but not limited to: registration and listing (21 CFR Part 807): labeling (21 CFR Parts 801 and 809): medical device reporting of medical device-related adverse events) (21 CFR 803); good manufacturing practice requirements
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as set forth in the quality systems (QS) regulation (21 CFR Part 820); and if applicable, the electronic product radiation control provisions (Sections 531-542 of the Act); 21 CFR 1000-1050.
If you desire specific advice for your device on our labeling regulation (21 CFR Part 801), please contact the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/Resourcesfor You/Industry/default.htm. Also, please note the regulation entitled, "Misbranding by reference to premarket notification" (21CFR Part 807.97). For questions regarding the reporting of adverse events under the MDR regulation (21 CFR Part 803), please go to
http://www.fda.gov/MedicalDevices/Safety/ReportaProblem/default.htm for the CDRH's Office of Surveillance and Biometrics/Division of Postmarket Surveillance.
You may obtain other general information on your responsibilities under the Act from the Division of Industry and Consumer Education at its toll-free number (800) 638-2041 or (301) 796-7100 or at its Internet address
http://www.fda.gov/MedicalDevices/ResourcesforYou/Industry/default.htm.
Sincerely yours,
# Stephen J. Lovell -S for
Uwe Scherf, M.Sc., Ph.D. Director Division of Microbiology Devices Office of In Vitro Diagnostics and Radiological Health Center for Devices and Radiological Health
Enclosure
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## Indications for Use
510(k) Number (if known) k152679
Device Name Amplichek I
### Indications for Use (Describe)
Amplichek I is intended for use as an external assayed quality control material to monitor the performance of in vitro laboratory nucleic acid testing procedures for the quantitative detection of Human Immunodeficiency Virus Type 1 (HIV-1), Hepatiis B Virus (HBV) and Hepatitis C Virus (HCV) for molecular diagnostic platforms listed in the package insert. This product is not intended to replace manufacturer controls provided with the device. This product is not intended for use with blood donor screening assays in U.S. or Canada.
| Type of Use (Select one or both, as applicable) | |
|----------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------|
| <div> <span> ☒ Prescription Use (Part 21 CFR 801 Subpart D) </span> </div> | <div> <span> □ Over-The-Counter Use (21 CFR 801 Subpart C) </span> </div> |
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### 510(k) Summary
This summary of 510(k) safety and effectiveness is being submitted in accordance with the requirements of 21 CFR 807.92.
### 1.0 Submitter
Bio-Rad Laboratories 9500 Jeronimo Road, Irvine, California 92618-2017 Telephone: (949) 598-1200 Fax: (949) 598-1557
### Contact Person
Maria Zeballos Regulatory Affairs Representative IV Telephone: (949) 598-1367
### Date of Summary Preparation
April 4, 2016
#### 2.0 Device Identification
| Product Trade Name: Amplichek I | |
|-------------------------------------|-------------------------------------------------------------------|
| Common Name: | Assayed quality control material for clinical microbiology assays |
| Classifications: | Class II |
| Product Code: | PMN |
| Regulation Number: | 21 CFR 866.3920 |
#### 3.0 Device to Which Substantial Equivalence is Claimed
Amplichek II Bio-Rad Laboratories 9500 Jeronimo Road, Irvine, California 92618-2017 DEN150058
#### 4.0 Description of Device
Amplichek I is a set of quality controls consisting of four levels filled in individual vials with 1.2 mL of material. Each level is packaged separately in configuration of 10 tubes per box and four tubes per box in a MiniPak (trial size).
This product is prepared from normal human plasma based material non-reactive to HIV-1 Ribonucleic Acid (RNA), HBV Deoxyribonucleic Acid (DNA) and HCV Ribonucleic Acid (RNA) with added proteins from human sources, antimicrobial agents as preservatives, and stabilizers.
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The positive levels are prepared using purified preparations of HIV, HBV and HCV isolated from human plasma or grown in cell cultures and are reactive for HIV-1 RNA, HBV DNA and HCV RNA.
Amplichek I contains human plasma and purified retroviral and viral hepatitis materials derived from human plasma and/or cultured human cell line sources. Each human unit used in the preparation of this product is tested using licensed reagents and must be found to be non-reactive to HBsAg, antibodies to HIV-1 and HIV-2 and antibodies to HCV. Retroviral and viral hepatitis materials derived from human plasma and/or cultured human cell line sources are treated to inactivate infectious agents. However, no known test method can assure that products derived from human sources will not transmit infection. The labeling recommends that this product and all human specimens be handled in accordance with Biosafety Level 2 practices as described in the United States Department of Health and Human Services Centers for Disease Control and Prevention (CDC) and National Institutes of Health (NIH), Biosafety in Microbiological and Biomedical Laboratories, or other equivalent guidelines.
The package insert will provide lot specific mean and ranges for each analyte on various platforms. The assigned values listed in the proposed package insert were generated in the same manner as used for unknown specimens using FDA approved commercial test kits. The negative control reports qualitative results. The means for the positive controls were calculated from the total laboratory data generated for each analyte on the specific platform and the 3SD range was then assigned. The Amplichek I labeling recommends that each laboratory establish its own acceptable range for each analyte. Procedures for implementing a quality assurance program and monitoring test performance on a routine basis must be established by each individual laboratory.
Amplichek I product should not be used as a standard. It is recommended that each laboratory establish its own means and acceptable ranges and use those provided only as quides.
#### 5.0 Intended Use
Amplichek I is intended for use as an external assayed quality control material to monitor the performance of in vitro laboratory nucleic acid testing procedures for the detection of Human Immunodeficiency Virus Type 1 (HIV-1), Hepatitis B Virus (HBV) and Hepatitis C Virus (HCV) for molecular diagnostic platforms listed in the package insert. This product is not intended to replace manufacturer controls provided with the
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device. This product is not intended for use in blood donor screening assays in the US or Canada.
#### 6.0 Comparison of the new device with the Predicate Device
Bio-Rad Laboratories Amplichek I claim substantial equivalence Bio-Rad's Amplichek II (DEN 150058) currently in commercial distribution. The Table below contains comparison information of similarities and differences between the new and predicate device to which substantial equivalence is claimed.
| Characteristics | Bio-Rad<br>Amplichek I<br>(New Device) | Bio-Rad<br>Amplichek I<br>DEN 150058 |
|-----------------|----------------------------------------|--------------------------------------|
|-----------------|----------------------------------------|--------------------------------------|
| Characteristics | (New Device) | DEN 150058 |
|-----------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| Similarities | | |
| Intended Use | Amplichek I is intended for use as an external assayed quality<br>control material to monitor the performance of in vitro laboratory<br>nucleic acid testing procedures for the detection of Human<br>Immunodeficiency Virus Type 1 (HIV-1), Hepatitis B Virus (HBV)<br>and Hepatitis C Virus (HCV) for molecular diagnostic platforms<br>listed in the package insert. This product is not intended to<br>replace manufacturer controls provided with the device. This<br>product is not intended for use in blood donor screening assays in<br>the US or Canada. | Amplichek II is intended for use as an external assayed quality<br>control material to monitor the performance of in vitro<br>laboratory nucleic acid testing procedures for the qualitative<br>detection of Methicillin Resistant Staphylococcus aureus,<br>Methicillin Sensitive Staphylococcus aureus, Clostridium<br>difficile and Vancomycin-resistant Enterococci performed on<br>Cepheid GeneXpert Systems. This product is not intended to<br>replace manufacturer controls provided with the device. This<br>product is only for use with assays and instruments listed in the<br>Representative Results Chart in this labeling. |
| Form | Liquid | Liquid |
| Levels | 4 Levels<br>(Negative and Positive L1, L2 and L3) | 4 Levels<br>(Negative and Positive L1, L2 and L3) |
| Preservatives | Contains preservatives | Contains preservatives |
| | 0.09% Sodium azide | 0.1% ProClin® 300 preservative |
| Stabilizers | Contains stabilizers | Contains stabilizers |
| Differences | | |
| Open Vial Claim | 7 days at 2 to 8°C or 3 vial entries whichever comes first | None |
| Matrix | Human plasma based | Aqueous buffered solution |
| Expected<br>Results | For use with quantitative assays<br>Lot specific results provided | For use with qualitative assays<br>Representative results provided |
| Storage(Unopen<br>ed) | Frozen (-20°C -70 °C) Until expiration date | 2 to 8°C until expiration date |
| Analytes | HIV-1<br>HBV<br>HCV | MRSA (Methicillin Resistant Staphylococcus aureus)<br>MSSA (Methicillin Sensitive Staphylococcus aureus)<br>Cdiff (Clostridium difficile)<br>VRE (Vancomycin-resistant Enterococci) |
#### 7.0 Statement of Supporting Data
Stability studies have been performed to determine the shelf life at -20 to -70 ℃, and open vial at claims at 2 to 8°C. Product claims are as follows:
- 7.1 Shelf Life at 20 to -70℃, all analytes will be stable for 16 months.
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- 7.2 The open vial stability claim for Amplichek I is 7 days or 3 vial entries whichever comes first, when stored tightly capped at 2 to 8°C
All supporting data is retained on file at Bio-Rad Laboratories.
### 8.0 Conclusion
Based on the performance characteristics indicated above, the Bio-Rad Amplichek I is substantially equivalent to the predicate device: Amplichek II DEN 150058
Two short videos show you everything — or skip straight to the written tutorial if you'd rather read. You can reopen this any time from the Tutorial button in the top bar.
Part 1 — Search, results, and everyday workflows 16 min
Part 2 — Embeddings: the galaxy map 3 min
1. Search: exact and fuzzy
Type a phrase like "coronary artery calcification" into the search box. You get two kinds of results. Exact results match the literal phrase — prefix searches work ("coronary artery calcificati") but suffix searches do not. Fuzzy results match on the meaning and intent of your phrase rather than the exact words, and are sorted by relevance score. Hover over the Exact or Fuzzy badge on any row to see exactly why it matched.
Use the checkboxes above the results to narrow: SaMD keeps only software-only devices, AI / ML keeps only devices with AI.
Exact vs. fuzzy search: what's the difference?
Exact matches on the literal phrase (prefix search works, suffix does not). Fuzzy matches on the meaning and intent of the phrase rather than the exact words. Hover over the badge on any row to see why it matched.
You search "coronary artery calcification" and want only software devices with AI. What two filters do you apply?
Narrow by SaMD (software-only devices), then narrow by AI/ML (devices with AI).
2. The results table
Scroll right in the results table. The intended use is extracted for you — no need to open the PDF. The device story gives a high-level snapshot of what the device does and how it's used. The AI Performance sub-table shows each output name, acceptance criteria, observed values, and development/test dataset descriptions — the same format Innolitics uses for regulatory strategy outputs, and the fastest high-level fingerprint of an AI device. It is AI-generated but has been very reliable in practice.
Where do you find a device's intended use without opening the PDF?
Scroll right in the search results table. The intended use column is extracted for you; no need to dig into the 510(k) summary PDF.
What does the AI Performance sub-table show, and why is it useful?
Output name, acceptance criteria, observed values, development dataset description, and test dataset description. It's the same format we use for regulatory strategy output and Fast 510(k) input, and the fastest high-level fingerprint of an AI device. AI-generated but reliable in practice.
3. Judging fuzzy relevance
Fuzzy results trail off in relevance as you scroll. Use three signals to decide how far down to go: the fuzzy badge explanations, the intended use column, and whether your target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, you're past the relevant zone. A top hit with a low score (~0.4) and a stretched explanation is a hint the closest predicates are far away — the project may be headed for De Novo. Note the fuzzy search is a pattern match: it doesn't handle negation ("not") well, and hardware devices can appear — filter by SaMD/AI ML to cut them.
How do you judge how far down fuzzy search results to go?
Use the relevancy signals: the fuzzy badge explanations, the intended use column, and whether the target output (e.g., Cobb angle) still appears in the AI Performance sub-table. Once it stops appearing, results are trailing off in relevancy.
4. Device detail page: chat and citations
Click a device name to open its detail page: device facts on the left, a chat window on the right. Ask something like "Describe the training data". The answer carries little citation bubbles — click one to jump to the highlighted passage in the source PDF, so you can verify every AI answer against the document. There's also a Download PDF button for sharing.
How do you verify an AI chat answer on the device detail page?
Click the citation bubbles to jump to the relevant highlight in the source document.
Reading rule for every project: how many summaries do you read in full?
At least the three most relevant 510(k) or De Novo summaries, in full. After that, use targeted chat questions to confirm your memory quickly. The tool supports this professional habit — it doesn't replace it.
5. Side-by-side comparison
Select multiple rows in the results table (aim for under ~10), then open the PDF Viewer tab. Ask one question — it goes to all selected devices in parallel, each with citations. This is the fastest way to compare and contrast devices: training data, PCCP scope, how they handled adding new scanners, and so on.
What does the side-by-side PDF viewer mode do?
Select multiple devices, open the PDF viewer tab, and ask one question (e.g., "Describe the training data"). It queries all selected devices simultaneously with citations, so you can compare and contrast quickly.
6. Collections
With rows selected, go to the Collections tab and create a labeled collection (e.g., "Cobb Angle Project"). Reload that selection any time — before a client call, pull up the collection and ask questions across all of its devices at once.
How do you save a set of selected devices for later use?
Select the rows, go to the Collections tab, and create a labeled collection (e.g., "Cobb Angle Project"). You can reload the selection anytime and carry it into the PDF viewer and other tabs that support selections.
7. Product codes and the regulations tree
Click a product code in the results to jump to it in the regulations tree — identification text, sibling product codes, and devices you can open in a PDF viewer on the right. Click a regulation number to see its identification, special controls, and related product codes. You can also search by product code or regulation number at the top of the tree. Always read the special controls if any exist for your device — it broadens your search and sharpens pre-kickoff research.
What can you do from the regulations tree view?
Browse product codes and regulation numbers, read the identification text and special controls, browse sibling product codes, open device PDFs on the right, and search by product code or regulation number at the top of the tree.
8. Chart view
Click Show Chart and segment by regulation number (or product code) to see which regulations dominate your result set. Clicking a regulation takes you into the regulations tree. Great for spotting that most matches are, say, hardware laparoscopic devices — a cue to go back and filter.
How do you see which regulations dominate a search result set?
Click "Show Chart" and segment by Regulation Number. Clicking a regulation takes you to the regulations tree.
9. The predicate graph
Open the Predicates tab for a family-tree view of predicate relationships. Click a node to trace its parents and children; selections from search carry over pre-selected. Commonly predicated devices are worth reading — a lot of people predicated them for a reason. The visual lineage is also handy on client calls, e.g. to show how a predicate family evolved and justify why your predicate still holds.
In the predicate graph, why are commonly predicated devices worth reading?
A lot of people predicated them for a reason. Clicking a node traces parents and children, and selections from search carry over pre-selected.
10. Embeddings: the galaxy map
The Embeddings tab plots every matching document in a 2-D "galaxy map" where semantically similar devices cluster together. Hover or click clusters to explore, and let AI label the clusters for you. Embeddings beat product codes for grouping: two devices can carry different product codes (LLZ vs. QIH) yet do the same thing — the embedding captures the meaning of the intended use and device story. This is also exactly how retrieval-augmented generation (RAG) works under the hood, and it makes a great visual on client calls.
Try it yourself
Head to the search page and work through a few of these AI/ML fuzzy searches to build intuition: perivascular fat on CT · aortic valve calcification opportunistic screening on noncontrast CT · breast cancer prediction on digital pathology slides · autism detection · gestational age prediction · a hearing aid that can also detect a pulse · foundation model based analysis of ECG · large language models · penetration test. Watch how the relevance scores, intended use, and AI Performance tables tell you when results stop being meaningful.